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Enhancement: allowing zero-length static array #698

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Merged
ahangsu merged 4 commits into from
Nov 29, 2022
+4 −4
Merged

Enhancement: allowing zero-length static array #698

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c52f2a7
regexp change
ahangsu Nov 28, 2022
abcdc3e
cucumber test
ahangsu Nov 28, 2022
c4d93ec
new negative testcase for static array length
ahangsu Nov 29, 2022
e2f84c6
Update .test-env
ahangsu Nov 29, 2022
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6 changes: 3 additions & 3 deletions src/abi/abi_type.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ interface Segment {
right: number;
}

const staticArrayRegexp = /^([a-z\d[\](),]+)\[([1-9][\d]*)]$/;
const staticArrayRegexp = /^([a-z\d[\](),]+)\[(0|[1-9][\d]*)]$/;
const ufixedRegexp = /^ufixed([1-9][\d]*)x([1-9][\d]*)$/;

export type ABIValue =
Expand Down Expand Up @@ -414,9 +414,9 @@ export class ABIArrayStaticType extends ABIType {

constructor(argType: ABIType, arrayLength: number) {
super();
if (arrayLength < 1) {
if (arrayLength < 0) {
throw new Error(
`static array must have a length greater than 0: ${arrayLength}`
`static array must have a non negative length: ${arrayLength}`
);
}
this.childType = argType;
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2 changes: 1 addition & 1 deletion tests/10.ABI.ts
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Expand Up @@ -125,7 +125,7 @@ describe('ABI type checking', () => {
'[][][]',
'stuff[]',
// static array
'ufixed32x10[0]',
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'bool[01]',
'byte[10 ]',
'uint64[0x21]',
// tuple
Expand Down